1 #include <linux/kernel.h>
3 #include <linux/slab.h>
4 #include <linux/seq_file.h>
8 static int smart_enable(ide_drive_t *drive)
11 struct ide_taskfile *tf = &cmd.tf;
13 memset(&cmd, 0, sizeof(cmd));
14 tf->feature = ATA_SMART_ENABLE;
15 tf->lbam = ATA_SMART_LBAM_PASS;
16 tf->lbah = ATA_SMART_LBAH_PASS;
17 tf->command = ATA_CMD_SMART;
18 cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE;
19 cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE;
21 return ide_no_data_taskfile(drive, &cmd);
24 static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd)
27 struct ide_taskfile *tf = &cmd.tf;
29 memset(&cmd, 0, sizeof(cmd));
30 tf->feature = sub_cmd;
32 tf->lbam = ATA_SMART_LBAM_PASS;
33 tf->lbah = ATA_SMART_LBAH_PASS;
34 tf->command = ATA_CMD_SMART;
35 cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE;
36 cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE;
37 cmd.protocol = ATA_PROT_PIO;
39 return ide_raw_taskfile(drive, &cmd, buf, 1);
42 static int idedisk_cache_proc_show(struct seq_file *m, void *v)
44 ide_drive_t *drive = (ide_drive_t *) m->private;
46 if (drive->dev_flags & IDE_DFLAG_ID_READ)
47 seq_printf(m, "%i\n", drive->id[ATA_ID_BUF_SIZE] / 2);
49 seq_printf(m, "(none)\n");
53 static int idedisk_cache_proc_open(struct inode *inode, struct file *file)
55 return single_open(file, idedisk_cache_proc_show, PDE(inode)->data);
58 static const struct file_operations idedisk_cache_proc_fops = {
60 .open = idedisk_cache_proc_open,
63 .release = single_release,
66 static int idedisk_capacity_proc_show(struct seq_file *m, void *v)
68 ide_drive_t*drive = (ide_drive_t *)m->private;
70 seq_printf(m, "%llu\n", (long long)ide_gd_capacity(drive));
74 static int idedisk_capacity_proc_open(struct inode *inode, struct file *file)
76 return single_open(file, idedisk_capacity_proc_show, PDE(inode)->data);
79 static const struct file_operations idedisk_capacity_proc_fops = {
81 .open = idedisk_capacity_proc_open,
84 .release = single_release,
87 static int __idedisk_proc_show(struct seq_file *m, ide_drive_t *drive, u8 sub_cmd)
91 buf = kmalloc(SECTOR_SIZE, GFP_KERNEL);
95 (void)smart_enable(drive);
97 if (get_smart_data(drive, buf, sub_cmd) == 0) {
98 __le16 *val = (__le16 *)buf;
101 for (i = 0; i < SECTOR_SIZE / 2; i++) {
102 seq_printf(m, "%04x%c", le16_to_cpu(val[i]),
103 (i % 8) == 7 ? '\n' : ' ');
110 static int idedisk_sv_proc_show(struct seq_file *m, void *v)
112 return __idedisk_proc_show(m, m->private, ATA_SMART_READ_VALUES);
115 static int idedisk_sv_proc_open(struct inode *inode, struct file *file)
117 return single_open(file, idedisk_sv_proc_show, PDE(inode)->data);
120 static const struct file_operations idedisk_sv_proc_fops = {
121 .owner = THIS_MODULE,
122 .open = idedisk_sv_proc_open,
125 .release = single_release,
128 static int idedisk_st_proc_show(struct seq_file *m, void *v)
130 return __idedisk_proc_show(m, m->private, ATA_SMART_READ_THRESHOLDS);
133 static int idedisk_st_proc_open(struct inode *inode, struct file *file)
135 return single_open(file, idedisk_st_proc_show, PDE(inode)->data);
138 static const struct file_operations idedisk_st_proc_fops = {
139 .owner = THIS_MODULE,
140 .open = idedisk_st_proc_open,
143 .release = single_release,
146 ide_proc_entry_t ide_disk_proc[] = {
147 { "cache", S_IFREG|S_IRUGO, &idedisk_cache_proc_fops },
148 { "capacity", S_IFREG|S_IRUGO, &idedisk_capacity_proc_fops },
149 { "geometry", S_IFREG|S_IRUGO, &ide_geometry_proc_fops },
150 { "smart_values", S_IFREG|S_IRUSR, &idedisk_sv_proc_fops },
151 { "smart_thresholds", S_IFREG|S_IRUSR, &idedisk_st_proc_fops },
155 ide_devset_rw_field(bios_cyl, bios_cyl);
156 ide_devset_rw_field(bios_head, bios_head);
157 ide_devset_rw_field(bios_sect, bios_sect);
158 ide_devset_rw_field(failures, failures);
159 ide_devset_rw_field(lun, lun);
160 ide_devset_rw_field(max_failures, max_failures);
162 const struct ide_proc_devset ide_disk_settings[] = {
163 IDE_PROC_DEVSET(acoustic, 0, 254),
164 IDE_PROC_DEVSET(address, 0, 2),
165 IDE_PROC_DEVSET(bios_cyl, 0, 65535),
166 IDE_PROC_DEVSET(bios_head, 0, 255),
167 IDE_PROC_DEVSET(bios_sect, 0, 63),
168 IDE_PROC_DEVSET(failures, 0, 65535),
169 IDE_PROC_DEVSET(lun, 0, 7),
170 IDE_PROC_DEVSET(max_failures, 0, 65535),
171 IDE_PROC_DEVSET(multcount, 0, 16),
172 IDE_PROC_DEVSET(nowerr, 0, 1),
173 IDE_PROC_DEVSET(wcache, 0, 1),